Volcano earthquake report for Saturday, 6 Feb 2021
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 6 Feb 2021 Number in brackets indicate nr of quakes.

Quakes detected near: Akyarlar (1 quake mag 2.5), Babuyan Claro (1 quake mag 2.8), Buzzard Creek (1 quake mag 2.1), Clear Lake (33 quakes between mag 0.5-1.6), Eldey (5 quakes between mag 1.0-2.4), Etna (6 quakes between mag 1.3-2.5)
Grímsvötn (2 quakes between mag 0.7-1.3), Gunung Semuning (Ranau caldera) (1 quake mag 3.8), Hofsjökull volcano (1 quake mag 1.5), Hrómundartindur (21 quakes between mag 0.4-1.4), Kanaga (1 quake mag 1.0), Krísuvík (57 quakes between mag 0.1-1.9), Maroa (1 quake mag 1.7), Mauna Loa (2 quakes between mag 1.8-1.8), Methana (1 quake mag 2.0), Okataina (Tarawera) (1 quake mag 1.6), Reykjanes (21 quakes between mag 0.2-2.1), Rotorua (1 quake mag 1.7), Salton Buttes (1 quake mag 1.4), Sekincau Belirang (1 quake mag 2.6), Tenorio (1 quake mag 3.1), Tjörnes Fracture Zone (2 quakes between mag 0.9-1.1), Vesuvius (1 quake mag 1.0) (updated 21h50)

Note: Earthquakes within 20 km from and at depths less than 20 km under active volcanoes are reported. The list is not complete because many volcanoes are not monitored and/or seismic data in high resolution is not available publicly.

Volcanoes with recent earthquakes above magnitude 2 or more than 10 quakes are listed below:


Akyarlar volcano (Turkey): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 17.5 km depth at 16 km distance ESE from the volcano.
Earthquake details:
2.5 quake Aegean Sea, 16 km southeast of Bodrum, Muğla, Turkey, 6 Feb 2021 2:48 am (GMT +3) (16 km ESE)All earthquakes at Akyarlar

Babuyan Claro volcano (North of Luzon): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 24 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 2.0 km depth at 18 km distance NNW from the volcano.
Earthquake details:
2.8 quake South China Sea, 87 km south of Basco, Philippines, 7 Feb 2021 5:26 am (GMT +8) (18 km NNW)All earthquakes at Babuyan Claro

Buzzard Creek volcano (Eastern Alaska): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 0 km depth at 19 km distance W from the volcano.
Earthquake details:
2.1 quake 15 Km E of Ferry, Alaska, USA, 5 Feb 2021 3:41 pm (GMT -9) (19 km W)All earthquakes at Buzzard Creek

Clear Lake volcano (California): 33 earthquakes up to magnitude 1.6

Possible earthquake swarm: 33 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 58 minutes ago. Hypocenter depths ranged between 3.2 and 0.3 km.
Earthquake details: (only 5 largest)
1.6 quake 7km W of Cobb, CA, USA, 6 Feb 2021 12:30 am (GMT -8) (16 km S)1.5 quake 8km WNW of Cobb, CA, USA, 5 Feb 2021 4:21 pm (GMT -8) (15 km SSW)1.5 quake 6km NNW of The Geysers, CA, USA, 5 Feb 2021 5:25 pm (GMT -8) (17 km S)1.5 quake 9km WNW of The Geysers, CA, USA, 5 Feb 2021 6:37 pm (GMT -8) (18 km SSW)1.4 quake 3km NNW of The Geysers, CA, USA, 6 Feb 2021 12:34 am (GMT -8) (19 km S)All earthquakes at Clear Lake

Eldey volcano (Iceland): 5 earthquakes up to magnitude 2.4

5 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 7.5 and 6.3 km.
Earthquake details:
2.4 quake 3.2 Km W of Reykjanestá, Iceland, 6 Feb 2021 3:46 pm (GMT +0) (14 km NE)2.1 quake 3.7 Km WNW of Reykjanestá, Iceland, 6 Feb 2021 5:52 pm (GMT +0) (14 km NE)1.5 quake 2.9 Km W of Reykjanestá, Iceland, 6 Feb 2021 3:48 pm (GMT +0) (14 km NE)1.0 quake 4.3 Km WNW of Reykjanestá, Iceland, 6 Feb 2021 7:35 pm (GMT +0) (14 km NE)1.0 quake 2.5 Km W of Reykjanestá, Iceland, 6 Feb 2021 4:11 pm (GMT +0) (14 km ENE)All earthquakes at Eldey
Eldey is located at the beginning of the Reykjanes Ridge off the SW tip of Iceland. Its highest elevation is the top of Eldey Island, but most of the volcanic edifice is submerged.

Several eruptions occurred in historic times, last in 1926.

Etna volcano (Italy): 6 earthquakes up to magnitude 2.5

6 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 15 hours ago. Hypocenter depths ranged between 3.9 and 0.0 km.
Earthquake details: (only 5 largest)
2.5 quake 20 km northwest of Acireale, Catania, Sizilien, Italy, 6 Feb 2021 7:25 am (GMT +1) (3 km ESE)2.1 quake 7 km northeast of Adrano, Catania, Sizilien, Italy, 6 Feb 2021 4:07 am (GMT +1) (10 km SW)2.0 quake 18 km northeast of Adrano, Catania, Sizilien, Italy, 6 Feb 2021 7:41 am (GMT +1) (0 km ESE)1.8 quake 10 Km W Milo (CT), Italy, 6 Feb 2021 5:42 am (GMT +1) (1 km ENE)1.5 quake 8 Km W Milo (CT), Italy, 6 Feb 2021 7:26 am (GMT +1) (3 km E)All earthquakes at Etna

Gunung Semuning (Ranau caldera) volcano (Sumatra): magnitude 3.8 earthquake

A magnitude 3.8 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 18 km distance SE from the volcano.
Earthquake details:
3.8 quake 1 km west of Kotabumi, Lampung, Indonesia, 6 Feb 2021 6:22 am (GMT +7) (18 km SE)All earthquakes at Gunung Semuning (Ranau caldera)

Hrómundartindur volcano (Iceland): 21 earthquakes up to magnitude 1.4

Possible earthquake swarm: 21 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 19 minutes ago. Hypocenter depths ranged between 10.1 and 1.1 km.
Earthquake details: (only 5 largest)
1.4 quake 1.1 Km ENE of Skeggi_á_Hengli, Iceland, 6 Feb 2021 8:51 pm (GMT +0) (5 km WNW)1.1 quake 3.2 Km N of Hellisheiðarvirkjun, Iceland, 6 Feb 2021 9:00 pm (GMT +0) (9 km W)1.1 quake 3.3 Km N of Hellisheiðarvirkjun, Iceland, 6 Feb 2021 8:51 pm (GMT +0) (9 km W)1.1 quake 3.0 Km N of Hellisheiðarvirkjun, Iceland, 6 Feb 2021 8:49 pm (GMT +0) (9 km W)1.1 quake 1.7 Km SW of Raufarhólshellir, Iceland, 6 Feb 2021 11:14 am (GMT +0) (19 km SSW)All earthquakes at Hrómundartindur

Krísuvík volcano (Iceland): 57 earthquakes up to magnitude 1.9

Possible earthquake swarm: 57 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 53 minutes ago. Hypocenter depths ranged between 8.8 and 1.1 km.
Earthquake details: (only 5 largest)
1.9 quake 0.4 Km SE of Fagradalsfjall, Iceland, 5 Feb 2021 11:31 pm (GMT +0) (9 km WSW)1.7 quake 2.9 Km E of Fagradalsfjall, Iceland, 6 Feb 2021 12:27 am (GMT +0) (7 km SW)1.7 quake 2.8 Km E of Fagradalsfjall, Iceland, 6 Feb 2021 2:05 pm (GMT +0) (7 km WSW)1.7 quake 3.0 Km SE of Fagradalsfjall, Iceland, 6 Feb 2021 10:09 am (GMT +0) (7 km SW)1.6 quake 3.3 Km E of Fagradalsfjall, Iceland, 6 Feb 2021 5:37 am (GMT +0) (6 km SW)All earthquakes at Krísuvík

Reykjanes volcano (Iceland): 21 earthquakes up to magnitude 2.1

Possible earthquake swarm: 21 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 9.0 and 0.9 km.
Earthquake details: (only 5 largest)
2.1 quake 3.2 Km NW of Reykjanestá, Iceland, 6 Feb 2021 5:13 pm (GMT +0) (14 km SW)1.9 quake 3.5 Km NNW of Reykjanestá, Iceland, 6 Feb 2021 5:16 pm (GMT +0) (13 km SW)1.7 quake 2.5 Km WNW of Reykjanestá, Iceland, 6 Feb 2021 4:05 pm (GMT +0) (15 km SW)1.4 quake 0.6 Km NE of Grindavík, Iceland, 6 February 2021 03:30 GMT (7 km SE)1.4 quake 3.8 Km SSW of Fagradalsfjall, Iceland, 6 February 2021 05:50 GMT (11 km E)All earthquakes at Reykjanes

Sekincau Belirang volcano (Sumatra): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 12.0 km depth at 4 km distance SSW from the volcano.
Earthquake details:
2.6 quake 73 km southwest of Kotabumi, Lampung, Indonesia, 6 Feb 2021 6:00 pm (GMT +7) (4 km SSW)All earthquakes at Sekincau Belirang

Tenorio volcano (Costa Rica): magnitude 3.1 earthquake

A magnitude 3.1 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 4.0 km depth at 2 km distance ESE from the volcano.
Earthquake details:
3.1 quake 28 km northeast of Canas, Cañas, Provincia de Guanacaste, Costa Rica, 6 Feb 2021 10:44 am (GMT -6) (2 km ESE)All earthquakes at Tenorio
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